Responsive App design?

<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:background="@color/colorPrimaryDark"
    android:layout_height="match_parent"
    tools:context="myfitnessplan.denisjurkovsek.myfitnessplan.StartActivity">


    <ImageView
        android:id="@+id/imageView5"
        android:layout_width="199dp"
        android:layout_height="203dp"
        app:srcCompat="@drawable/ball"
        tools:layout_editor_absoluteX="93dp"
        tools:layout_editor_absoluteY="68dp" />


    <TextView
        android:id="@+id/textView"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:fontFamily="sans-serif-smallcaps"
        android:text="MyFitnessPlan"
        android:textColor="#ffffff"
        android:textSize="50sp"
        tools:layout_editor_absoluteX="26dp"
        tools:layout_editor_absoluteY="131dp" />


    <TextView
        android:id="@+id/textView2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:fontFamily="sans-serif-smallcaps"
        android:text="Bitte warten, sie werden weitergeleitet."
        android:textColor="#ffffff"
        tools:layout_editor_absoluteX="63dp"
        tools:layout_editor_absoluteY="409dp" />




</android.support.constraint.ConstraintLayout>